AU5935096A - Apparatus for preventing screw backout in a bone plate fixat ion system - Google Patents

Apparatus for preventing screw backout in a bone plate fixat ion system

Info

Publication number
AU5935096A
AU5935096A AU59350/96A AU5935096A AU5935096A AU 5935096 A AU5935096 A AU 5935096A AU 59350/96 A AU59350/96 A AU 59350/96A AU 5935096 A AU5935096 A AU 5935096A AU 5935096 A AU5935096 A AU 5935096A
Authority
AU
Australia
Prior art keywords
fixat
bone plate
ion system
preventing screw
screw backout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU59350/96A
Other languages
English (en)
Inventor
Bradley T. Estes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SDGI Holdings Inc
Original Assignee
SDGI Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SDGI Holdings Inc filed Critical SDGI Holdings Inc
Publication of AU5935096A publication Critical patent/AU5935096A/en
Assigned to SDGI HOLDINGS, INC. reassignment SDGI HOLDINGS, INC. Alteration of Name(s) of Applicant(s) under S113 Assignors: DANEK MEDICAL, INC.
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8047—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers wherein the additional element surrounds the screw head in the plate hole
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/909—Fastener or fastener element composed of thermo-responsive memory material

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
AU59350/96A 1995-06-07 1996-05-28 Apparatus for preventing screw backout in a bone plate fixat ion system Abandoned AU5935096A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US477296 1995-06-07
US08/477,296 US5578034A (en) 1995-06-07 1995-06-07 Apparatus for preventing screw backout in a bone plate fixation system
PCT/US1996/007782 WO1996039975A1 (en) 1995-06-07 1996-05-28 Apparatus for preventing screw backout in a bone plate fixation system

Publications (1)

Publication Number Publication Date
AU5935096A true AU5935096A (en) 1996-12-30

Family

ID=23895335

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59350/96A Abandoned AU5935096A (en) 1995-06-07 1996-05-28 Apparatus for preventing screw backout in a bone plate fixat ion system

Country Status (6)

Country Link
US (1) US5578034A (enrdf_load_stackoverflow)
EP (2) EP0876128B1 (enrdf_load_stackoverflow)
AU (1) AU5935096A (enrdf_load_stackoverflow)
DE (2) DE69627890T2 (enrdf_load_stackoverflow)
WO (1) WO1996039975A1 (enrdf_load_stackoverflow)
ZA (1) ZA964859B (enrdf_load_stackoverflow)

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US5578034A (en) 1996-11-26
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